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Phone hangs qith battery at 30%

Hi.
My qtek 2020 hangs up calls and make it impossible to phone again when battery reaches around 30 %, more or less. Is there a way of enlarging battery use until it reaches around 10 %?
Thanx

My friend had same this problem.But after change his battery,his problem is solved.So may be it will work for you.

I tried your problem and reached 0% battery )
Also I taken photos of this experiment
Also I filmed a video where I play some sounds with WMP at 1% battery
Photos are here:
http://www.4shared.com/file/M-ox8YmQ/Hima_battery.html
0% battery photo is here, I also phoned normally at 1% battery
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Yes, Its possible to make sound at o% battery on your phone, I have done this many times, but in such cases this is not supporting and after reaching at 10% low batter phone is about to switched off. so somewhere its working and somewhere not....

i found that himalayas are not reliable when low on battery they either really slow down or quit altogether
best bet is give it a recharge every day and a half

Weird cell stanby issue

Hi,
can somebody give me advice? I have quite big stanby drain. As you can see cell stanby and phone idle are high (around 12%). I lost about 10% of battery at night for 6 hours with wifi and data off..I am using latest radio and latest insertcoin rom. Thanks in advance.
https://picasaweb.google.com/lh/photo/k9a6Q3eK61_HrWaSf8guWQ?feat=directlink
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Check the running apps in task manager at night before you go to sleep. There may be a game or an app which takes a large amount of RAM and battery power.

Losing 10% overnight is about what I have always seen with my phone..

redbullcat said:
Check the running apps in task manager at night before you go to sleep. There may be a game or an app which takes a large amount of RAM and battery power.
Click to expand...
Click to collapse
I killed all tasks just to be safe..didnt help. I got about 180mA when idling which looks bit much. On my old Desire it was 3-5mA when sitting overnight..

There are plenty of threads on battery issues and how to minimize battery loss ... but otherwise one just have to live with the fact that batteries have not improved that much over the years as we would have liked to see.

{Help} Battery troubles still

I have a new phone 2 weeks old and from day 1 I've had horrible battery even with minimal use. usually I can get through a work day and that's it. I work in construction so I have no wifi. I turn off Wifi,NFC,Data,GPS,Bluetooth, and set screen brightness to lowest setting unless i'm using them. But keep in mind I'm rarely using my phone except for breaks which i put it on the charger. Here are some pictures that may help decipher the problem. At first glance I have a "wake lock". I'm stuck at 384MHz. I've had a wakelock on all my roms for some reason. Sometimes its the media app sometimes its android system...Currently I'm on Barebones CM10 but I've had most of this forums roms\kernels on my phone after a full wipe and even after some odin stock. I'm kinda lost as my sister who got the phone a day after me has great battery life and my friends say they can get up to 2 days if they aren't using it. i don't believe the 2 days comment, but still his battery life isn't as bad. I'm not crazy right? Also, I'm not sure why all the time running aren't the same
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[Q] Why is android system using a lot of battery?

So i have been experimenting with roms/kernels in the past few days and have noticed android system is almost using as much battery as the screen. What causes this? I never had this problem before I rooted. I am currently at 69% and my screen on time is only 1 hour. I have tried many kernels and I can't get any more battery life out of the phone. Other than the obvious stuff, what can i do to get better battery life?

You have to show us the BBS log. (Better battery stats) for wakelocks.
I only get like 16 hours of battery life and I could really care less because even if I was left at 60% when I went to sleep it would need to be charged or I would potentially be left with 20% the next day assuming I had the exact same usage and that isn't comfortable so I charge every night.
Keep in mind your cell signal. You can also switch off mobile data or switch to edge or 3g instead of LTE.
Sent from The Deathstar

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This is what I get and I have 54% left
Sent from my Nexus 5 using Tapatalk

Android System Battery High

Anyone have any tips on what I can disable on a stock non rooted device to get my Android System battery usage down? It's always on top and is usually in excess of 25%. As it stands I can't even get a day out of this thing with only 1.5 hrs of screen on time.
Maybe the battery is bad, phone is only a couple weeks old.

Oh and I should mention that there's no wakelocks or anything strange, it appears it's a legitimate battery drain. My screen brightness is low as well and today I never woke it up outside, just inside abient light. WiFi is off as well.
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A thread all by myself, cool.
Today my battery has been unbelievable, only dropped 28% in 12 with plenty of use. I don't know what to think.

Same issue here.
I've had the phone for 5 days now.
First 3 were a blast with over 5 hours SOT.
I am now getting little over 2 hours SOT thanks to Android System.

Lonely threads come with expensive devices. No support, No Roms, No Development.
Anyhow, For your issue, Try minimizing the permissions of builtin apps. Disable autorun, and use greenify.